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REPORTING YEAR: 1997

SILICON SYS. INC.

Breakdown of releases and waste (by chemical) follows:

Chemical Name: CERTAIN GLYCOL ETHERS
CAS Number: N230 (Name: SILICON SYS. INC.)
Maximum Amount On Site: 1,000 - 9,999 LBS (Year: 1997)
MediumRelease (lbs)Destination or Method Used
STACK AIR 2
OFF-SITE 72,000To: LAIDLAW ENVIRONMENTAL SERVICES , SAN JOSE, CA
Using: SOLVENTS/ORGANICS RECOVERY
Total: 72,002

Management of production-related waste-
Quantities for 1998 and 1999 years below are estimates for future years.
Quantity1996 amount1997 amount1998 amount1999 amount
Release Onsite or Disposal Offsite 2 2 2 2
Recycling Offsite 92,000 72,000 36,000 36,000
Total 92,002 72,002 36,002 36,002
Non-production-related waste: 0 (accidental or remedial)
Total waste : 72,002 (Production & Non-Production)
Production Ratio: 1.09

Chemical Name: HYDROGEN FLUORIDE
CAS Number: 007664393 (Name: SILICON SYS. INC.)
Maximum Amount On Site: 1,000 - 9,999 LBS (Year: 1997)
MediumRelease (lbs)Destination or Method Used
STACK AIR 2,000
POTW WATER (total below)To: CITY OF SANTA CRUZ PUBLIC TREATMENT WORKS
POTW TOTAL 5
Total: 2,005

Management of production-related waste-
Quantities for 1998 and 1999 years below are estimates for future years.
Quantity1996 amount1997 amount1998 amount1999 amount
Release Onsite or Disposal Offsite 2,000 2,000 370 350
Treatment Onsite 27,000 22,000 15,000 15,000
Treatment Offsite 0 5 0 0
Total 29,000 24,005 15,370 15,350
Non-production-related waste: 0 (accidental or remedial)
Total waste : 24,005 (Production & Non-Production)
Production Ratio: 1.09

Chemical Name: NITRIC ACID
CAS Number: 007697372 (Name: SILICON SYS. INC.)
Maximum Amount On Site: 1,000 - 9,999 LBS (Year: 1997)
MediumRelease (lbs)Destination or Method Used
STACK AIR 150
POTW WATER (total below)To: CITY OF SANTA CRUZ PUBLIC TREATMENT WORKS
POTW TOTAL 15
Total: 165

Management of production-related waste-
Quantities for 1998 and 1999 years below are estimates for future years.
Quantity1996 amount1997 amount1998 amount1999 amount
Release Onsite or Disposal Offsite 150 150 23 23
Treatment Onsite 64,000 59,000 41,000 41,000
Treatment Offsite 0 15 0 0
Total 64,150 59,165 41,023 41,023
Non-production-related waste: 0 (accidental or remedial)
Total waste : 59,165 (Production & Non-Production)
Production Ratio: 1.09

Chemical Name: N-METHYL-2-PYRROLIDONE
CAS Number: 000872504 (Name: SILICON SYS. INC.)
Maximum Amount On Site: 1,000 - 9,999 LBS (Year: 1997)
MediumRelease (lbs)Destination or Method Used
STACK AIR 5,400
POTW WATER (total below)To: CITY OF SANTA CRUZ PUBLIC TREATMENT WORKS
OFF-SITE 170,000To: LAIDLAW ENVIRONMENTAL SERVICES , SAN JOSE, CA
Using: SOLVENTS/ORGANICS RECOVERY
POTW TOTAL 390
Total: 175,790

Management of production-related waste-
Quantities for 1998 and 1999 years below are estimates for future years.
Quantity1996 amount1997 amount1998 amount1999 amount
Release Onsite or Disposal Offsite 6,000 5,400 5,400 5,300
Recycling Offsite 150,000 170,000 140,000 140,000
Treatment Offsite 1,600 390 390 390
Total 157,600 175,790 145,790 145,690
Non-production-related waste: 0 (accidental or remedial)
Total waste : 175,790 (Production & Non-Production)
Production Ratio: 1.09

Chemical Name: PHOSPHORIC ACID
CAS Number: 007664382 (Name: SILICON SYS. INC.)
Maximum Amount On Site: 1,000 - 9,999 LBS (Year: 1997)
MediumRelease (lbs)Destination or Method Used
POTW WATER (total below)To: CITY OF SANTA CRUZ PUBLIC TREATMENT WORKS
POTW TOTAL 30
Total: 30

Management of production-related waste-
Quantities for 1998 and 1999 years below are estimates for future years.
Quantity1996 amount1997 amount1998 amount1999 amount
Treatment Onsite 63,000 45,000 45,000 45,000
Treatment Offsite 0 30 0 0
Total 63,000 45,030 45,000 45,000
Non-production-related waste: 0 (accidental or remedial)
Total waste : 45,030 (Production & Non-Production)
Production Ratio: 1.09


Totals for all chemicals for SILICON SYS. INC.
Releases and Transfers-
Stack Air: 7,552
Total Releases: 7,552
POTW Transfer: 440
Recycling Transfer: 242,000
Total Transfers: 242,440
Total releases and transfers: 249,992
Total Production-Related Waste : 375,992
Total Non-Production-Related Waste : 0
Production-related waste managed by-
Recycling Off-site: 242,000
Treatment On-site: 126,000
Treatment Off-site: 440
Release On-site or Disposal Off-site: 7,552

This search was taken from RTK NET's (the Right-To-Know Network)'s copy of EPA's TRIS database. RTK NET is run by OMB Watch and Unison Institute at 1742 Connecticut Ave., NW, Washington DC, 20009 - Phone: 202-234-8494.

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